package demo01;

public class Demo02Student {
    public static void main(String[] args) {
        Student stu = new Student();
        System.out.println(stu.age);
        System.out.println(stu.name);
        stu.age = 10;
        stu.name = "何周华";
        System.out.println(stu.name);
        System.out.println(stu.age);
        stu.eat();
        stu.sleep();
        stu.study();
    }

}
